Specify a time zone to use as the reference time zone

Question

Based on the first two answers, the question was unclear as originally posted, thus I am completely rewriting it:

The following question is concerned only w

Answer 1

When inserting a value into a timestamp with time zone field what actually happens is the timestamp is converted to UTC. Another matter altogether is to what time zone that value is converted on output. There are a few ways to control that:

When a timestamp with time zone value is output, it is always converted from UTC to the current timezone zone, and displayed as local time in that zone. To see the time in another time zone, either change timezone or use the AT TIME ZONE construct (see Section 9.9.3).